Inspection

Check the burnout of the contact contacts of the scraper winch master controller, electromagnet contactor, various relay signal devices, etc. If there is burnout, repair or replace the contacts in tim

On the morning of July 15, Yang Jintao, technical review director of Changsha Institute of National Safety Production Changsha Mine Electromechanical Testing and Inspection Center, led a team of exper

On the morning of August 9, the managers of Inspur New Infrastructure Technology Co., Ltd. Liu Haoyu and Li Bing, and Inspur Industrial Internet Wang Xuecong and other leaders visited China Coal Group

On August 31, Handan Iron Steel Group Co., Ltd. Chief Li and his entourage visited China Coal Group to conduct inspections, communication and negotiation on the next step of steel cooperation. China C

On August 22, National Safety Production Fushun Mining Equipment Testing And Inspection Center Zhang Hongfu, National Safety Production Beijing Mine Support Equipment Testing And Inspection Center Exp

On the morning of July 18, Shandong Mingda Industrial Group Chairman Zang Mingren and other leaders are in Wangyin Street, Jining High-tech Zone office deputy director Zan Yaodong Accompanied by the c